@font-face {
    font-family: 'webfont';
    font-display: swap;
    src: url('//at.alicdn.com/t/webfont_fs7vw4rayw.eot'); /* IE9*/
    src: url('//at.alicdn.com/t/webfont_fs7vw4rayw.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
    url('//at.alicdn.com/t/webfont_fs7vw4rayw.woff2') format('woff2'),
    url('//at.alicdn.com/t/webfont_fs7vw4rayw.woff') format('woff'), /* chrome、firefox */
    url('//at.alicdn.com/t/webfont_fs7vw4rayw.ttf') format('truetype'), /* chrome、firefox、opera、Safari, Android, iOS 4.2+*/
    url('//at.alicdn.com/t/webfont_fs7vw4rayw.svg#Alibaba-PuHuiTi-Regular') format('svg'); /* iOS 4.1- */
}
html,body{
    margin: 0;
    height: 100%;
}
body{
    background-color: #F4D03F;
    background-image: linear-gradient(135deg, #F4D03F 0%, #3eb1e6 80%, #5abebe 100%);
    display: flex;
    justify-content: center;
    align-items: center;
}
.mainImg{
    position: fixed;
    top: 5%;
    left: 24%;
    width: 50%;
    height: 50%;
    z-index: -10;/*使图片位于底层*/
    background: url("../images/youShouldLogin.png");
    background-repeat: no-repeat;
    background-position: 50% 50%;
    background-size: contain;

}
.tips{
    color: rgba(255,255,255,0.9);
    font-family: "webfont"!important;
    font-weight: normal;
    font-size: 2.5vw;
    text-align: center;
    position: fixed;
    top: 60%;
}

.button {
    display: inline-block;
    border-radius: 7px;
    background-color: transparent;
    border: 2px solid white;
    color: #FFFFFF;
    text-align: center;
    font-size: 28px;
    padding: 20px;
    width: 300px;
    height: 50px;
    transition: all 0.5s;
    cursor: pointer;
    margin: 5px;
}

.button span {
    line-height: 10px;
    font-family: "webfont"!important;
    font-size: 20px;
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.25s;
}

.button span:after {
    color: #043083;
    content:"\bb";
    position: absolute;
    opacity: 0;
    top: 0;
    right: -20px;
    transition: 0.25s;
}

.button:hover span {
    padding-right: 25px;
}

.button:hover span:after {
    opacity: 1;
    right: 0;
}
